The WHO (World Health Organization) has released a report that the proportion of mutated viruses is increasing in the United Kingdom, South Africa, and Brazil, where mutated new coronaviruses have been confirmed, and they are rapidly replacing conventional viruses.
According to a report dated 23rd, of these, the mutant virus confirmed in each country in the United Kingdom and South Africa has rapidly replaced the conventional new coronavirus since last fall, accounting for most of the detected viruses. It means that it has become.
Also in Brazil, the proportion of mutant viruses is about half.
In addition, the "effective reproduction number", which indicates how many people are infected from one infected person, was 41% for the first mutant virus confirmed in the United Kingdom, 36% for the first mutant virus confirmed in South Africa, and Brazil. It is estimated that 11% of the mutant viruses confirmed in are higher than conventional viruses.
In the countries and regions where mutant viruses were reported, the number of mutant viruses in the United Kingdom increased by 7 compared to the previous week to 125, the number of mutant viruses in South Africa increased by 11 to 75, and the number of mutant viruses in Brazil increased by 3 to 41. ..
WHO has designated these three viruses as "concerned mutants" and is increasing surveillance, but the report states that it has added two new mutants to the "notable mutants" next to them. I will.
On the other hand, the number of people infected with the new coronavirus worldwide reported in the week leading up to the 21st of this month has exceeded the previous week for 4 consecutive weeks due to increased effects in Brazil, India, and France, 6 weeks. The number of deaths, which had been declining continuously, also turned to increase.